:root {
    --primary: #409EFF;
    --primary-light: #ecf5ff;
    --success: #67C23A;
    --warning: #E6A23C;
    --danger: #F56C6C;
    --info: #909399;
    --text-primary: #303133;
    --text-regular: #606266;
    --text-secondary: #909399;
    --border-base: #DCDFE6;
    --border-light: #EBEEF5;
    --background: #F5F7FA;
    --white: #FFFFFF;
    --shadow-sm: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    color: var(--text-primary);
    background-color: var(--background);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
}

a {
    text-decoration: none;
    color: var(--primary);
    transition: var(--transition);
}

a:hover {
    color: #66b1ff;
}

button {
    cursor: pointer;
    border: none;
    outline: none;
    transition: var(--transition);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}